Carnes Martha Z.

Director · SXC, CLB, MTRX

As of 2026-09-16, Carnes Martha Z. has 9 Form 4 transactions on record across 3 companies — 5 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $1.4MIndirect: $0$1.4Mas of 2026-09-16
  • Direct $1.4M
  • Indirect $0
SXCdirect75,214 sh$723K
MTRXdirect71,183 sh$705K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

CLB · 6 trades
2026-04-01: Option exercise, 8,069 sh ($0)2026-04-01: Option exercise, 8,069 sh ($0)2026-04-01: Award / grant, 7,895 sh ($0)2025-04-01: Option exercise, 9,317 sh ($0)2025-04-01: Option exercise, 9,317 sh ($0)2025-04-01: Award / grant, 8,069 sh ($0)
SXC · 2 trades
2026-05-14: Award / grant, 21,652 sh ($0)2025-05-15: Award / grant, 14,412 sh ($0)
MTRX · 1 trade
2025-11-04: Award / grant, 7,986 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-14SXCAward / grant21,65275,214Form 4
2026-04-01CLBOption exercise8,06954,397Form 4
2026-04-01CLBOption exercise8,0690Form 4
2026-04-01CLBAward / grant7,8957,895Form 4
2025-11-04MTRXAward / grant7,98671,183Form 4
2025-05-15SXCAward / grant14,41253,562Form 4
2025-04-01CLBOption exercise9,31746,328Form 4
2025-04-01CLBOption exercise9,3170Form 4
2025-04-01CLBAward / grant8,0698,069Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.